LM386
SNAS545C – MAY 2004 – REVISED MAY 2017
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Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 3
6.1 Absolute Maximum Ratings ...................................... 3
6.2 ESD Ratings ............................................................ 3
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 4
6.6 Typical Characteristics .............................................. 5
7 Parameter Measurement Information .................. 6
8 Detailed Description .............................................. 7
8.1 Overview ................................................................... 7
8.2 Functional Block Diagram ......................................... 7
8.3 Feature Description................................................... 7
8.4 Device Functional Modes.......................................... 7
9 Application and Implementation .......................... 8
9.1 Application Information.............................................. 8
9.2 Typical Application ................................................... 8
10 Power Supply Recommendations ..................... 15
11 Layout................................................................... 16
11.1 Layout Guidelines ................................................. 16
11.2 Layout Examples................................................... 16
12 Device and Documentation Support ................. 18
12.1 Device Support...................................................... 18
12.2 Documentation Support ....................................... 18
12.3 Related Links ........................................................ 18
12.4 Receiving Notification of Documentation Updates 18
12.5 Community Resources.......................................... 18
12.6 Trademarks ........................................................... 18
12.7 Electrostatic Discharge Caution ............................ 18
12.8 Glossary ................................................................ 18
13 Mechanical, Packaging, and Orderable
Information ........................................................... 19
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (March 2017) to Revision C
Page
• Changed devices LM386M-1/LM386MX-1 To: LM386 in the data sheet title ........................................................................ 1
• Changed From: LM386N-4 To: Speaker Impedance in the Recommended Operating Conditions table .............................. 4
• Changed From: 5 Ω to 12 Ω To: 5 V to 12 V for Supply Voltage in Table 1 .......................................................................... 8
• Changed kW To: kΩ in the Gain Control section ................................................................................................................... 8
• Changed kW To: kΩ in the Input Biasing section................................................................................................................... 9
• Changed Figure 11................................................................................................................................................................. 9
• Changed From: 5 Ω to 12 Ω To: 5 V to 12 V for Supply Voltage in Table 2 ........................................................................ 10
• Changed Figure 13............................................................................................................................................................... 10
• Changed From: 5 Ω to 12 Ω To: 5 V to 12 V for Supply Voltage in Table 3 ........................................................................ 11
• Changed Figure 15............................................................................................................................................................... 11
• Changed From: 5 Ω to 12 Ω To: 5 V to 12 V for Supply Voltage in Table 4 ........................................................................ 12
• Changed Figure 17............................................................................................................................................................... 12
• Changed From: 5 Ω to 12 Ω To: 5 V to 12 V for Supply Voltage in Table 5 ........................................................................ 13
• Changed From: 5 Ω to 12 Ω To: 5 V to 12 V for Supply Voltage in Table 6 ........................................................................ 14
• Changed Figure 21............................................................................................................................................................... 14
• Changed From: 5 Ω to 12 Ω To: 5 V to 12 V for Supply Voltage in Table 7 ........................................................................ 15
• Changed Figure 23............................................................................................................................................................... 15
Changes from Revision A (May 2004) to Revision B
Page
• Added LM386MX-1 device to the data sheet. ....................................................................................................................... 1
• Added Device Information, Application and Implementation, Power Supply Recommendation, Layout, and Device
and Documentation Support sections..................................................................................................................................... 1
• Inserted Functional Block Diagram......................................................................................................................................... 7
2
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